main /= only. And I'd like to see a source for the assertion that it's the main browser for millions. Facebook is kinda out these days, most of my friends (pred

main /= only. And I'd like to see a source for the assertion that it's the main browser for millions. Facebook is kinda out these days, most of my friends (predominantly not working in technology) don't post anything there except birthday greetings, use it as an event planning/invite tool, and send the occasional message.